很好的话费查询系统,使你方便地查询自己的话费,还可以点歌,试试吧-calls for a good system that allows you to facilitate inquiries on their calls can also request a song, try it

问题的提出：编写一个长途电话计费程序，计费规则是每6秒钟0.06元，要求能输入发话地、收话地，输出话费。-Of the problem: write a long-distance telephone billing procedures, billing rules is 0.06 yuan per 6 seconds, required to enter the speaker, the closing words, the output charges.